JP6833699B2 - リン酸カルシウム微粒子と繊維との複合体、および、その製造方法 - Google Patents
リン酸カルシウム微粒子と繊維との複合体、および、その製造方法 Download PDFInfo
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- JP6833699B2 JP6833699B2 JP2017539222A JP2017539222A JP6833699B2 JP 6833699 B2 JP6833699 B2 JP 6833699B2 JP 2017539222 A JP2017539222 A JP 2017539222A JP 2017539222 A JP2017539222 A JP 2017539222A JP 6833699 B2 JP6833699 B2 JP 6833699B2
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- fibers
- calcium carbonate
- composite
- calcium phosphate
- fiber
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- 238000004519 manufacturing process Methods 0.000 title claims description 15
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 194
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- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 150000002527 isonitriles Chemical class 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000000468 ketone group Chemical group 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 125000000400 lauroyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- SNKMVYBWZDHJHE-UHFFFAOYSA-M lithium;dihydrogen phosphate Chemical compound [Li+].OP(O)([O-])=O SNKMVYBWZDHJHE-UHFFFAOYSA-M 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methyl-cyclopentane Natural products CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 125000001038 naphthoyl group Chemical group C1(=CC=CC2=CC=CC=C12)C(=O)* 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000001402 nonanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 125000002801 octanoyl group Chemical group C(CCCCCCC)(=O)* 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 125000003566 oxetanyl group Chemical group 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 125000001312 palmitoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011088 parchment paper Substances 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229940085991 phosphate ion Drugs 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000006366 phosphorylation reaction Methods 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- OQZCJRJRGMMSGK-UHFFFAOYSA-M potassium metaphosphate Chemical compound [K+].[O-]P(=O)=O OQZCJRJRGMMSGK-UHFFFAOYSA-M 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- 235000019828 potassium polyphosphate Nutrition 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- AXLMPTNTPOWPLT-UHFFFAOYSA-N prop-2-enyl 3-oxobutanoate Chemical compound CC(=O)CC(=O)OCC=C AXLMPTNTPOWPLT-UHFFFAOYSA-N 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000003865 secondary ammonium salts Chemical class 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 229910001575 sodium mineral Inorganic materials 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 235000019830 sodium polyphosphate Nutrition 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000003696 stearoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- JDVPQXZIJDEHAN-UHFFFAOYSA-N succinamic acid Chemical compound NC(=O)CCC(O)=O JDVPQXZIJDEHAN-UHFFFAOYSA-N 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- VKFFEYLSKIYTSJ-UHFFFAOYSA-N tetraazanium;phosphonato phosphate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[O-]P([O-])(=O)OP([O-])([O-])=O VKFFEYLSKIYTSJ-UHFFFAOYSA-N 0.000 description 1
- MVGWWCXDTHXKTR-UHFFFAOYSA-J tetralithium;phosphonato phosphate Chemical compound [Li+].[Li+].[Li+].[Li+].[O-]P([O-])(=O)OP([O-])([O-])=O MVGWWCXDTHXKTR-UHFFFAOYSA-J 0.000 description 1
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 125000001730 thiiranyl group Chemical group 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 1
- 235000019798 tripotassium phosphate Nutrition 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
- 125000000297 undecanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002982 water resistant material Substances 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/181—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/70—Inorganic compounds forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with other substances added separately
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Paper (AREA)
Description
(1) 平均一次粒子径が5μm以下のリン酸カルシウム粒子と繊維との複合体。
(2) リン酸カルシウム粒子の平均一次粒子径が1μm以下である、(1)に記載の複合体。
(3) 前記繊維がパルプ繊維である、(1)または(2)に記載の複合体。
(4) 前記リン酸カルシウム粒子と前記繊維との重量比が5:95〜95:5である、(1)〜(3)のいずれかに記載の複合体。
(5) さらにチタンが定着している、(1)〜(4)のいずれかに記載の複合体。
(6) (1)〜(5)のいずれかに記載の複合体を含んでなるシート。
(7) 繊維を含む溶液においてカルシウム源とリン酸源を反応させることによって、平均一次粒子径が5μm以下のリン酸カルシウム粒子と繊維との複合体を製造する方法。
(8) 繊維を含む溶液において炭酸カルシウムを合成して、平均一次粒子径が5μm未満の炭酸カルシウム粒子と繊維との複合体を得る工程;この複合体とリン酸を反応させてリン酸カルシウムと繊維との複合体を得る工程;を含む、(7)に記載の方法。
(9) キャビテーション気泡の存在下で、繊維を含む溶液において炭酸カルシウムを合成する、(8)に記載の方法。
(10) 炭酸カルシウム粒子の平均一次粒子径が1μm以下である、(8)または(9)に記載の方法。
(11) キャビテーション気泡の存在下で、消石灰の水性懸濁液と二酸化炭素を含む気体とを反応させて炭酸カルシウムを合成する、(8)〜(10)のいずれかに記載の方法。
(12) 反応容器内に液体を噴射することによってキャビテーション気泡を発生させる、(8)〜(11)のいずれかに記載の方法。
(13) 前記繊維が、パルプ繊維を含む、(8)〜(12)のいずれかに記載の方法。
(14) 消石灰の水性懸濁液を反応容器内に噴射することによってキャビテーション気泡を発生させる、(8)〜(13)のいずれかに記載の方法。
(15) 消石灰の水性懸濁液として、前記反応容器から循環させた反応液を用いる、(8)〜(14)のいずれかに記載の方法。
(16) チタンの存在下でリン酸を反応させて、チタンが定着したリン酸カルシウム・繊維複合体を得る工程を含む、(8)〜(15)のいずれかに記載の方法。
(17) (1)〜(5)のいずれかに記載の複合体を含んでなる製品。
(18) 前記製品がシートの形態である、(17)に記載の製品。
本発明は、平均一次粒子径が5μm以下であるリン酸カルシウムと繊維の複合体およびその製造方法に関する。本発明のリン酸カルシウム・繊維複合体は、1つの態様において、例えば、炭酸カルシウム・繊維複合体をリン酸と反応させることによって得ることができる。また別の態様において、繊維、リン酸、カルシウム源を反応させることによって、リン酸カルシウムと繊維の複合体を合成することもできる。
上述したように、本発明のリン酸カルシウム・繊維複合体は、例えば、炭酸カルシウム・繊維複合体とリン酸を反応させることによって製造することができる。
本発明に係る複合体の製法においては、1つの態様において、キャビテーション気泡の存在下で炭酸カルシウムおよび/またはリン酸カルシウムを合成することができる。本発明においてキャビテーションとは、流体の流れの中で圧力差により短時間に泡の発生と消滅が起きる物理現象であり、空洞現象とも言われる。キャビテーションによって生じる気泡(キャビテーション気泡)は、流体の中で圧力がごく短時間だけ飽和蒸気圧より低くなったとき、液体中に存在する100ミクロン以下のごく微小な「気泡核」を核として生じる。
本発明の一つの態様において、繊維を含む溶液中で炭酸カルシウムを合成する場合、炭酸カルシウムの合成方法は、公知の方法によることができる。例えば、炭酸ガス法、可溶性塩反応法、石灰・ソーダ法、ソーダ法などによって炭酸カルシウムを合成することができ、好ましい態様において、炭酸ガス法によって炭酸カルシウムを合成する。
本発明においては、リン酸カルシウムと繊維とを複合体化する。複合体を構成する繊維は特に制限されないが、例えば、セルロースなどの天然繊維はもちろん、石油などの原料から人工的に合成される合成繊維、さらには、レーヨンやリヨセルなどの再生繊維(半合成繊維)、さらには無機繊維などを制限なく使用することができる。天然繊維としては上記の他にウールや絹糸やコラーゲン繊維等の蛋白系繊維、キチン・キトサン繊維やアルギン酸繊維等の複合糖鎖系繊維等が挙げられる。セルロース系の原料としては、パルプ繊維(木材パルプや非木材パルプ)、バクテリアセルロース、ホヤなどの動物由来セルロース、藻類などが例示され、木材パルプは、木材原料をパルプ化して製造すればよい。木材原料としては、アカマツ、クロマツ、トドマツ、エゾマツ、ベニマツ、カラマツ、モミ、ツガ、スギ、ヒノキ、カラマツ、シラベ、トウヒ、ヒバ、ダグラスファー、ヘムロック、ホワイトファー、スプルース、バルサムファー、シーダ、パイン、メルクシマツ、ラジアータパイン等の針葉樹、及びこれらの混合材、ブナ、カバ、ハンノキ、ナラ、タブ、シイ、シラカバ、ハコヤナギ、ポプラ、タモ、ドロヤナギ、ユーカリ、マングローブ、ラワン、アカシア等の広葉樹及びこれらの混合材が例示される。
本発明において炭酸化反応の条件は、特に制限されず、用途に応じて適宜設定することができる。例えば、炭酸化反応の温度は0〜90℃とすることができ、10〜70℃とすることが好ましい。反応温度は、反応液の温度を温度調節装置によって制御することができ、温度が低いと反応効率が低下しコストが高くなる一方、90℃を超えると粗大な炭酸カルシウム粒子が多くなる傾向がある。
水酸化カルシウム(消石灰:Ca(OH)2、1250g)と広葉樹晒クラフトパルプ(LBKP、カナダ標準濾水度CSF:460mL、1250g)を含む水性懸濁液100Lを準備した。この水性懸濁液を、500L容のキャビテーション装置に入れ、反応容器中に炭酸ガスを吹き込んで炭酸ガス法によって炭酸カルシウム微粒子と繊維との複合体を合成した。反応温度は約25℃、炭酸ガスは市販の液化ガスを供給源とし、炭酸ガスの吹き込み量は12L/minであり、反応液のpHが約7になった段階で反応を停止した(反応前のpHは約12.8)。
(1)サンプル1(図3):サンプルA(595mL、濃度4.2%)にリン酸(東ソー社製、濃度10%、57g)を添加して攪拌し、リン酸カルシウムとパルプの複合体を得た。具体的には、サンプルAを40℃のウォーターバス中でスリーワンモータにて850rpmで撹拌し、そこにリン酸をペリスターポンプで0.5g/分の速度で添加して、滴下終了後、さらに30分間撹拌を続けて熟成を行った。
(2)サンプル2(図4):サンプルA(595mL、濃度4.2%)に、二酸化チタン(堺化学工業社製、SSP−25、1.4g)およびリン酸(東ソー社製、濃度10%、57g)を添加して攪拌し、チタンが組み込まれたリン酸カルシウムとパルプの複合体を得た。サンプルAに二酸化チタンをあらかじめ添加しておいた以外は、サンプル1と同様にして反応を行った。
(3)サンプル3(図5):リン酸の濃度を60%、リン酸の添加量9.5gとした以外は、上記(1)と同様に複合体を合成した。
(4)サンプル4(図6):リン酸の濃度を60%、リン酸の添加量9.5gとした以外は、上記(2)と同様に複合体を合成した。
<複合体シートの製造>
実験1および実験2で製造した複合体(サンプルA、サンプル1〜4)を、以下の手順によりシート化した(坪量:約60g/m2)。
得られたシートをSEM−EDSで分析した結果を図7〜12に示す。SEM-EDS測定を行った結果、チタンを添加したサンプルは、シート上にチタンが分布して定着していることが明らかとなった(元素マッピング画像の青色部分がチタンである)。
・坪量:JIS P 8124:1998
・厚さ:JIS P 8118:1998
・密度:厚さ、坪量の測定値より算出
・灰分:JIS P 8251:2003
・白色度:JIS P 8212:1998
・不透明度:JIS P 8149:2000
・比散乱係数:TAPPI T425(ISO 9416)に規定される式により算出した。
・透気抵抗度:JIS P 8117:2009
・平滑度:JIS P 8155:2010
・L&W曲げこわさ:ISO 2493に準じて、L&W Bending Tester(Lorentzen&Wettre社製)で、曲げ角度が15度の曲げこわさを測定した。
・裂断長:JIS P 8113:2006
・BET比表面積:マイクロメリティックス・ジェミニ2360(島津製作所製)を用いて窒素吸着法により算出した。
Claims (17)
- 平均一次粒子径が5μm以下のリン酸カルシウム粒子が繊維表面に定着している複合体であって、繊維表面の15%以上がリン酸カルシウム粒子によって被覆されている、上記複合体。
- リン酸カルシウム粒子の平均一次粒子径が1μm以下である、請求項1に記載の複合体。
- 前記繊維がパルプ繊維である、請求項1または2に記載の複合体。
- 前記リン酸カルシウム粒子と前記繊維との重量比が5:95〜95:5である、請求項1〜3のいずれかに記載の複合体。
- さらにチタンが定着している、請求項1〜4のいずれかに記載の複合体。
- 請求項1〜5のいずれかに記載の複合体を含んでなるシート。
- 平均一次粒子径が5μm以下のリン酸カルシウム粒子が繊維表面に定着している複合体を製造する方法であって、
繊維を含む溶液において炭酸カルシウムを合成して、平均一次粒子径が5μm未満の炭酸カルシウム粒子と繊維との複合体を得る工程、
この複合体とリン酸を反応させてリン酸カルシウムと繊維との複合体を得る工程、
を含む、上記方法。 - キャビテーション気泡の存在下で、繊維を含む溶液において炭酸カルシウムを合成する、請求項7に記載の方法。
- 炭酸カルシウム粒子の平均一次粒子径が1μm以下である、請求項7または8に記載の方法。
- キャビテーション気泡の存在下で、消石灰の水性懸濁液と二酸化炭素を含む気体とを反応させて炭酸カルシウムを合成する、請求項7〜9のいずれかに記載の方法。
- 反応容器内に液体を噴射することによってキャビテーション気泡を発生させる、請求項7〜10のいずれかに記載の方法。
- 前記繊維が、パルプ繊維を含む、請求項7〜11のいずれかに記載の方法。
- 消石灰の水性懸濁液を反応容器内に噴射することによってキャビテーション気泡を発生させる、請求項7〜12のいずれかに記載の方法。
- 消石灰の水性懸濁液として、前記反応容器から循環させた反応液を用いる、請求項7〜13のいずれかに記載の方法。
- チタンの存在下でリン酸を反応させて、チタンが定着したリン酸カルシウム・繊維複合体を得る工程を含む、請求項7〜14のいずれかに記載の方法。
- 請求項1〜5のいずれかに記載の複合体を含んでなる製品。
- 前記製品がシートの形態である、請求項16に記載の製品。
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